The invention of the telegraph let distant locations communicate quickly.
b. kept distant locations from communicating quickly.
was 50 years after the railroad.
d. was 50 years before the railroad.
Please select the best answer from the choices provided

(a) calculate the molarity of a solution that contains 0.0345 mol nh4cl in 400 ml of solution. (b) how many moles of hno3 are present in 35.0 ml of a 2.20 m solution of nitric acid? (c) how many milliliters of 1.50 m koh solution are needed to supply 0.125 mil of koh ?

Can u guys do this ratio question. this is extremely urgent a tap is leaking water at a rage of 1l every 8 hours. how long will it take for the tap to leak a total of 300ml?

Abank gives 6.5% interest per year. what is the growth factor b in this situation?